National Instruments 8-Channel Solid-State Relay (SSR) Digital Output NI... Operating Instructions Manual Download | Manualshive

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OPERATING INSTRUCTIONS

NI 9485

8-Channel Solid-State Relay (SSR) Digital Output
Module

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Summary of Contents for 8-Channel Solid-State Relay (SSR) Digital Output NI...

Page 1: ...OPERATING INSTRUCTIONS NI 9485 8 Channel Solid State Relay SSR Digital Output Module...

Page 2: ...les you are using Note The safety guidelines and specifications in this document are specific to the NI 9485 The other components in the system might not meet the same safety ratings and specification...

Page 3: ...at hazardous voltage wiring is performed only by qualified personnel adhering to local electrical standards Caution Do not mix hazardous voltage circuits and human accessible circuits on the same modu...

Page 4: ...tions The NI 9485 is suitable for use in Class I Division 2 Groups A B C D T4 hazardous locations Class I Zone 2 AEx nA II T4 and Ex nA II T4 hazardous locations and nonhazardous locations only Follow...

Page 5: ...nonhazardous Caution Substitution of components may impair suitability for Class I Division 2 Caution For Zone 2 applications install the system in an enclosure rated to at least IP 54 as defined by I...

Page 6: ...ate No 03 ATEX 0324020X The equipment is marked II 3G and is suitable for use in Zone 2 hazardous locations Wiring the NI 9485 The NI 9485 has a 16 terminal detachable screw terminal connector that pr...

Page 7: ...85 Operating Instructions Table 1 Terminal Assignments Module Terminal Signal 0 CH0a 1 CH0b 2 CH1a 3 CH1b 4 CH2a 5 CH2b 6 CH3a 7 CH3b 8 CH4a 9 CH4b 10 CH5a 11 CH5b 12 CH6a 13 CH6b 14 CH7a 15 CH7b 0 1...

Page 8: ...ct to high vibration National Instruments recommends that you either use ferrules to terminate wires to the detachable screw terminal connector or use the NI 9939 backshell kit to protect the connecti...

Page 9: ...one of the leads of the power source Connect either the CHa or the CHb terminal to the load and the other terminal to the other lead of the AC or DC power source Figure 3 shows a possible configuratio...

Page 10: ...applied to the load Protecting Inductive Loads When inductive loads are connected to the NI 9485 relay outputs a large counter electromotive force may occur at switching time because of the energy sto...

Page 11: ...es 4 and 5 show examples of using an external flyback diode to protect DC inductive loads and an MOV to protect AC inductive loads respectively Figure 4 Contact Protection for DC Inductive Loads CHa C...

Page 12: ...de Support for sleep mode at the system level depends on the chassis that the module is plugged into Refer to the chassis documentation for information about support for sleep mode You can enable slee...

Page 13: ...consumes minimal power and may dissipate less heat than it does in normal mode Refer to the Specifications section for more information about power consumption and thermal dissipation Specifications T...

Page 14: ...9 0 ms typ On resistance 200 m max Off state leakage 30 A typ MTBF 2 172 740 hours at 25 C Bellcore Issue 6 Method 1 Case 3 Limited Part Stress Method Note Contact NI for Bellcore MTBF specifications...

Page 15: ...ipation at 70 C Active mode 1 5 W max Sleep mode 5 mW max Physical Characteristics If you need to clean the module wipe it with a dry towel Screw terminal wiring 12 to 24 AWG copper conductor wire wit...

Page 16: ...rth ground Continuous 250 Vrms Measurement Category II Withstand 2 300 Vrms verified by a 5 s dielectric withstand test Measurement Category II is for measurements performed on circuits directly conne...

Page 17: ...61010 1 EN 61010 1 UL 61010 1 CSA 61010 1 Note For UL and other safety certifications refer to the product label or visit ni com certification search by module number or product line and click the app...

Page 18: ...instructions for the chassis you are using for more information about meeting these specifications Operating temperature IEC 60068 2 1 IEC 60068 2 2 40 to 70 C Storage temperature IEC 60068 2 1 IEC 60...

Page 19: ...ation Random IEC 60068 2 34 5 grms 10 to 500 Hz Sinusoidal IEC 60068 2 6 5 g 10 to 500 Hz Operating shock IEC 60068 2 27 30 g 11 ms half sine 50 g 3 ms half sine 18 shocks at 6 orientations Electromag...

Page 20: ...te Refer to the Declaration of Conformity DoC for this product for any additional regulatory compliance information To obtain the DoC for this product visit ni com certification search by module numbe...

Page 21: ...National Instruments also has offices located around the world to help address your support needs For telephone support in the United States create your service request at ni com support and follow t...

Page 22: ...Zealand 0800 553 322 Norway 47 0 66 90 76 60 Poland 48 22 3390150 Portugal 351 210 311 210 Russia 7 495 783 6851 Singapore 1800 226 5886 Slovenia 386 3 425 42 00 South Africa 27 0 11 805 8197 Spain 34...

Page 23: ...o the Terms of Use section on ni com legal for more information about National Instruments trademarks Other product and company names mentioned herein are trademarks or trade names of their respective...

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